Figures 154 to 159. Fossombronia paranapanemae Schiffn. -154. Dry population, scale bar = 1000 µm. -155. OM micrograph of a typical gametophyte, scale bar = 1000 µm. -156. SEM of gametophyte with patent oblate leaves with rounded apices, notice the scattered archegonia, scale bar = 1000 µm. -157. OM micrograph of leaf showing rounded apex and decurrency, scale bar = 1000 µm. -158. OM micrograph of leaf showing sub-orbicular shape, scale bar = 1000 µm. -159. OM micrograph of slightly elongate to isodiametric median leaf cells, scale bar = 100 µm. [Figures 154, 157-159 from the holotype (W 24400), figures 155 and 156 from paratype (W 24401)]
Figures 160 to 165. Fossombronia paranapanemae Schiffn. -160. OM micrograph of marginal leaf cells, scale bar = 100 µm. -161. SEM micrograph of a male gametophyte with scattered antheridia, scale bar = 1000 µm. -162. SEM micrograph of antheridia and perigonial scales, scale bar = 100 µm. -163. SEM micrograph of female gametophyte showing dorsally scattered archegonia and furcate branching, scale bar = 1000 µm. -164. SEM micrograph of non-fertilized, naked archegonia, scale bar = 100 µm. -165. OM micrograph of a stipitate caulocalyx, scale bar = 1000 µm. [Figures 160 and 165 from the holotype (W 24400); rest of figures from the paratype (W 24401)].
Figures 166 to 171. Fossombronia paranapanemae Schiffn. -166. OM micrograph of capsule wall and some spores and elaters, scale bar = 100 µm. -167. OM micrograph of spore distal face showing the reticulate pattern of ornamentation, scale bar = 10 µm. -168, 169. SEM micrographs of spores distal faces showing within capsule variability in ornamentation, scale bar = 10 µm. -170. OM micrograph of spore proximal face with marginal depressions (arrows), scale bar = 10 µm. -171. SEM micrograph of spore proximal face with marginal depressions (arrows), notice the cristate ornamentation, scale bar = 10 µm. [Figures from the holotype (W 24400)].
Figures 172 to 175. Fossombronia paranapanemae Schiffn. -172. OM micrograph of spores and elaters, scale bar = 100 µm. -173. OM micrograph of an elater with three loosely coiled spirals, scale bar = 10 µm. -174 and 175. Asexual propagules produced on leaf surface (arrows), scale bar = 100 µm. [Figures from the holotype (W 24400)].
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URL: http://bryophytes.plant.siu.edu/2fparanapanemae.html
last updated: 24-July-2003/ res, smm